<template>
  <a-layout>
    <a-layout-content
        :style="{ background: '#fff', padding: '24px', margin: 0, minHeight: '280px' }"
    >
      <p>
        <a-form
            layout="inline"
            :model="param"
        >
          <a-form-item>
            <a-input v-model:value="param.name" placeholder="名称">
              <template #prefix><UserOutlined style="color: rgba(0, 0, 0, 0.25)" /></template>
            </a-input>
          </a-form-item>
          <a-form-item>
            <a-button type="primary" @click="handleQuery()" size="large">
              查询
            </a-button>
          </a-form-item>
          <a-form-item>
            <a-button type="primary" @click="add()" size="large">
              新增
            </a-button>
          </a-form-item>
        </a-form>
      </p>
      <a-table
        :columns="columns"
        :row-key="record => record.id"
        :data-source="level1"
        :loading="loading"
        :pagination="false"
      >
      <template #cover="{text:cover}" >
        <img v-if="cover" :src="cover" alt="avatar"/>
      </template>
      <template v-slot:action="{text, record }">
        <a-space size="small">
          <a-button type="primary" @click="edit(record)">
            编辑
          </a-button>
          <a-popconfirm
              title="删除后不可恢复，确认删除？"
              ok-text="是"
              cancel-text="否"
              @confirm="handleDelete(record.id)"
          >
            <a-button danger  @click="handleDelete(record.id)">
              删除
            </a-button>
          </a-popconfirm>
        </a-space>
      </template>
      </a-table>
    </a-layout-content>
  </a-layout>
  <a-modal
      title="分类表单"
      v-model:visible="modalVisible"
      :confirm-loading="modalLoading"
      @ok="handleModalOk"
  >
    <a-form :model="category" :label-col="{ span: 6}" :wrapper-col="{ span: 18 }">
      <a-form-item label="名称">
        <a-input v-model:value="category.name" />
      </a-form-item>
      <a-form-item label="父分类">
        <a-select
            ref="select"
            v-model:value="category.parent"
        >
          <a-select-option value="0">无</a-select-option>
          <a-select-option v-for="c in level1" :key=" c.id" :value="c.id" :disabled="category.id === c.id">
          {{c.name}}
          </a-select-option>

        </a-select>
      </a-form-item>
      <a-form-item label="顺序">
        <a-input v-model:value="category.sort" />
      </a-form-item>
    </a-form>
  </a-modal>
</template>
<script lang="ts">
import { defineComponent,onMounted,ref} from 'vue';
import { message } from 'ant-design-vue';
import axios from 'axios';
import {Tool} from "@/util/tool";

export default defineComponent({
  name: 'AdminCategory',
  setup() {
    const param = ref();
    param.value = {};
    const categorys = ref();
    const loading = ref(false);
    const columns= [
      {
        title: '名称',
        dataIndex: 'name',
      },
      {
        title: '父分类',
        key: 'parent',
        dataIndex: 'parent',
      },
      {
        title: '顺序',
        key: 'sort',
        dataIndex: 'sort',
      },
      {
        title: 'Action',
        key: 'action',
        slots: { customRender: 'action'}
      },
    ];

    const level1 = ref(); //一级分类树，children属性就是二级分类
    /**
     * 数据查询
     */
    const handleQuery = () => {
      loading.value = true;
      //如果不清空现有数据，则编辑保存重新加载数据后，再点编辑，则显示的还是之前的数据。
      level1.value = [];
      axios.get("category/all",).then((response)=>{

        loading.value = false;
        const data = response.data;
        if (data.success) {
          categorys.value = data.content;
          console.log("原始数组:",categorys.value);

          level1.value = {};
          level1.value = Tool.array2Tree(categorys.value,0)
          console.log("树形结构：",level1)
        } else {
          message.error(data.message)
        }
      });
    };



    // -------- 表单 ---------
    /**
     * 保存
     */
    // const categoryIds = ref();
    const category = ref({});
    const modalVisible = ref(false);
    const modalLoading = ref(false);
    const handleModalOk = () => {
      modalLoading.value = true;
      axios.post("category/save",category.value).then((response)=>{
        modalLoading.value = false;
        const data = response.data;  //data = commonResp
        if(data.success) {
          modalVisible.value = false;

          //重新加载列表
          handleQuery();
        } else {
          message.error(data.message);
        }
      });
    };

    /**
     * 编辑
     */
    const edit = (record: any) => {
      modalVisible.value = true;
      category.value =Tool.copy(record);
    };
    /**
     * 新增
     */
    const add = () => {
      modalVisible.value = true;
      category.value = {}
    };
    /**
     * 删除
     */
    const handleDelete = (id: number) => {
      console.log('id为：'+id)
      axios.delete("category/delete/"+ id).then((response) => {
        const data = response.data;  //data = commonResp
        if(data.success) {
          //重新加载列表
          handleQuery();
        }else{
          message.error(data.message);
        }
      });
    };

    onMounted(()=>{
     handleQuery();
    });

    return{
      param,
      // categorys,
      level1,
      columns,
      loading,

      edit,
      add,
      handleDelete,
      handleQuery,

      category,
      modalVisible,
      modalLoading,
      handleModalOk
    }
  }
});
</script>
